Lampsocket base



FIG. 1 is a top perspective view of the first embodiment of a lampsocket base, showing our new design;

FIG. 2 is a top plan view thereof, on a reduced scale;

FIG. 3 is a side elevation view thereof; the other side elevation views are identical thereto;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top perspective view of the second embodiment of a lampsocket base, showing our new design; and,

FIG. 6 is a top plan view thereof, on a reduced scale.

The broken line showing of the environment is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a lampsocket base, as shown and described. 